Screw & Barrel for Injection Machine
Product range of screw and barrel for injection molding machine:
Screw diameter: Ø20-Ø220
Mould clamping force: 100KN-35000KN
Shot weight: 30-30000G
Hardness After Hardening & Tempering: HB280-320
Nitrided hardness: 950-1100HV
Nitrided layer depth:0.50-0.80mm
Nitrided brittleness: Less than 2 level
Surface roughness: Ra 0.4μm
Linearity of screw: 0.015mm/m
Bimetallic layer depth: ≥3mm
Bimetallic hardness: HRC60-72
Hard-chrome plating hardness after nitriding: ≥950HV
Chrome-plating layer depth: 0.025~0.10mm
High-quality alloy steel
38CrMoAlA (JIS SACM645)
42CrMo (AISI 4140)
Hard chrome plating
Alloy powder spray welding
To place an order, please fellow the steps below.
1. Inquiry. Please tell us the information of screw and barrel you want, model no. of injection molding machine, diameter of screw, etc.
2. Quotation. According to your request, we send a quotation to you,
quotation include the price, price term(FOB NINGBO or SHANGHAI, or your demands), technial parameter of screw and barrel, delivery time, etc.
3. Quotation confirmed. You confirm the quotation. Or you have more requests, we will send you new quotation for confirmation.
4. Advance payment. We send performa invoice to you, you can find our bank account information in performa invoice.
Now, you can transfer the advance payment to us by this account.
5. Drawing. We will send drawings of screw and barrel to you for your confirmation, we have drawings for almost all famous injection molding machine.
If we do not have drawings of your screw and barre, we will to design and draw the drawings. Need you offer the connection dimension of screw and barrel. If you have drawings, and want to make screw and barrel according to your drawing, it’s also ok.
6. Production. We start to make screw and barrel after you confirm the drawings. production time: 18 to 30 days.
7. Balance payment. When screw and barrel finished, we will send photos of screw and barrel to you, and sending Commercial Invoice to you at the same.
Now your can pay the balance payment.
8. Delivery. We will contact forwarding company and deliver cargos.